FR67669E - Systèmes optiques à puissance localement variable - Google Patents

Systèmes optiques à puissance localement variable

Info

Publication number
FR67669E
FR67669E FR67669DA FR67669E FR 67669 E FR67669 E FR 67669E FR 67669D A FR67669D A FR 67669DA FR 67669 E FR67669 E FR 67669E
Authority
FR
France
Prior art keywords
optical systems
variable power
power optical
locally variable
locally
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
English (en)
Inventor
Bernard Cretin-Maitenaz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
COMM OUVRIERS LUNETIERS SOC IN
Original Assignee
COMM OUVRIERS LUNETIERS SOC IN
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by COMM OUVRIERS LUNETIERS SOC IN filed Critical COMM OUVRIERS LUNETIERS SOC IN
Application granted granted Critical
Publication of FR67669E publication Critical patent/FR67669E/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00—Optical parts
    • G02C7/02—Lenses; Lens systems ; Methods of designing lenses
    • G02C7/06—Lenses; Lens systems ; Methods of designing lenses bifocal; multifocal ; progressive
    • G02C7/061—Spectacle lenses with progressively varying focal power
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B13/00—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor
    • B24B13/0012—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor for multifocal lenses
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Health & Medical Sciences (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
FR67669D 1955-03-09 1955-03-09 Systèmes optiques à puissance localement variable Expired FR67669E (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR67669T 1955-03-09

Publications (1)

Publication Number Publication Date
FR67669E true FR67669E (fr) 1958-03-17

Family

ID=8699836

Family Applications (1)

Application Number Title Priority Date Filing Date
FR67669D Expired FR67669E (fr) 1955-03-09 1955-03-09 Systèmes optiques à puissance localement variable

Country Status (3)

Country Link
DE (1) DE1198703B (fr)
FR (1) FR67669E (fr)
GB (1) GB816338A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2193989B2 (fr) * 1972-07-26 1975-03-07 Essilor Int
EP0248489A3 (fr) * 1986-06-02 1989-09-06 Gregory N. Miller Lentille de contact et sa méthode de fabrication
ATE367597T1 (de) * 1996-04-04 2007-08-15 Carl Zeiss Vision Au Holding Progressive linsen und verfahren zum deren entwurf und verwendung

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH59203A (fr) * 1911-07-13 1913-05-02 Georges Poullain Augustin Verre de lunetterie perfectionné, procédé de fabrication dudit et machine pour la mise en oeuvre de ce procédé
US2109474A (en) * 1931-12-07 1938-03-01 Evans Charles Ernest Spectacle lens
US2112836A (en) * 1932-09-08 1938-04-05 Charles E Evans Lens grinding machine
US2286361A (en) * 1939-03-27 1942-06-16 American Optical Corp Abrading machine
US2470021A (en) * 1944-11-20 1949-05-10 William Boston Bailey Grinding and polishing machine
GB615649A (en) * 1946-03-15 1949-01-10 Hilger Ltd Adam Improvements in or relating to machines for grinding and polishing non-spherical optical surfaces
GB648776A (en) * 1947-12-12 1951-01-10 Cecil Reginald Burch Improvements relating to the formation of curved surfaces of prescribed figure by grinding and/or polishing
FR1079844A (fr) * 1953-03-03 1954-12-02 & Commerciale Des Ouvriers Lun Procédé et dispositif pour la fabrication de surfaces asphériques

Also Published As

Publication number Publication date
GB816338A (en) 1959-07-08
DE1198703B (de) 1965-08-12

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